Earth has been going on quite fine for 99.99% of its life time. Only now, during the minute fraction of time of the existence of mankind changes are talking place at an unprecedented pace. This should be worrying because we seem to be unable to stop these changes and we really seem to have no idea (or refuse to see) where developments are heading for.
"I find the whole business of religion profoundly interesting, but it does mystify me that otherwise intelligent people take it seriously." Douglas Adams